<html>

<body>
    hello world
    <script>
        console.log('hello world');
    </script>
    <script src="./node_modules/socket.io-client/dist/socket.io.js">
        console.log('链接服务器');
        let connection = SocketIO("http://chutianba.xyz:3002");

    </script>
</body>

</html>